Number 10 stresses this visit to the South West is the fifth such visit the Prime Minister has made across the South and East since the start of the stormy weather and there have been more than 20 emergency Cobra meetings in Whitehall.

But as another weather front sweeps across the country today, and the focus switches to some severe problems on the River Thames, the government's got a lot of work to do to convince those affected by the historic rainfall that it's on top of this crisis.